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gui: Add support for SHA256 fingerprints

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For the time being both SHA1 and SHA256 fingerprints will be shown in
the UI. This allows users to verify new connections between old and new
versions of Barrier. After the initial verification we use SHA256
fingerprints.

The issue has been reported by Matthias Gerstner <mgerstner@suse.de>.
This commit is contained in:
Povilas Kanapickas
2021-11-01 02:52:52 +02:00
parent c7e6fc6c7e
commit a428b61c7d
9 changed files with 185 additions and 26 deletions
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23
src/lib/net/SecureUtils.cpp
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@@ -89,6 +89,29 @@ std::string format_ssl_fingerprint(const std::vector<uint8_t>& fingerprint, bool
return result;
}
std::string format_ssl_fingerprint_columns(const std::vector<uint8_t>& fingerprint)
{
auto max_columns = 8;
std::string hex = barrier::string::to_hex(fingerprint, 2);
barrier::string::uppercase(hex);
if (hex.empty() || hex.size() % 2 != 0) {
return hex;
}
std::string separated;
for (std::size_t i = 0; i < hex.size(); i += max_columns * 2) {
for (std::size_t j = i; j < i + 16 && j < hex.size() - 1; j += 2) {
separated.push_back(hex[j]);
separated.push_back(hex[j + 1]);
separated.push_back(':');
}
separated.push_back('\n');
}
separated.pop_back(); // we don't need last newline character
return separated;
}
FingerprintData get_ssl_cert_fingerprint(X509* cert, FingerprintType type)
{
if (!cert) {